618827882818 has 8 divisors (see below), whose sum is σ = 953329441212. Its totient is φ = 301051402416.

The previous prime is 618827882809. The next prime is 618827882837. The reversal of 618827882818 is 818288728816.

It can be written as a sum of positive squares in 2 ways, for example, as 618445406569 + 382476249 = 786413^2 + 19557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×618827882818² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4181269405 + ... + 4181269552.

Almost surely, 2^618827882818 is an apocalyptic number.

618827882818 is a deficient number, since it is larger than the sum of its proper divisors (334501558394).

618827882818 is a wasteful number, since it uses less digits than its factorization.

618827882818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362538996.

The product of its digits is 44040192, while the sum is 67.

The spelling of 618827882818 in words is "six hundred eighteen billion, eight hundred twenty-seven million, eight hundred eighty-two thousand, eight hundred eighteen".